EDGE standard was born as an evolution of GSM, overcoming the limited data speed. This improvement is obtained using a 3π/8 8-PSK modulation scheme, increasing the available on-air data rate up to 812.5 kbps. The drawback of this modulation scheme is the spectral regrowth due to PA nonlinearity. An easy way to implement the EER architecture is the two-point modulation in the theta-path. The quantization in the high-pass phase path together with the PLL bandwidth causes both a spectrum regrowth and an EVM increasing.
Quantization effects on the EVM in EDGE modulation standard / Avitabile, G.; Lofu, N.. - STAMPA. - (2004), pp. 245-248. (Intervento presentato al convegno 7th European Conference on Wireless Technology, ECWT2004 tenutosi a Amsterdam, The Netherlands nel October 11-12, 2004).
Quantization effects on the EVM in EDGE modulation standard
G. Avitabile;
2004-01-01
Abstract
EDGE standard was born as an evolution of GSM, overcoming the limited data speed. This improvement is obtained using a 3π/8 8-PSK modulation scheme, increasing the available on-air data rate up to 812.5 kbps. The drawback of this modulation scheme is the spectral regrowth due to PA nonlinearity. An easy way to implement the EER architecture is the two-point modulation in the theta-path. The quantization in the high-pass phase path together with the PLL bandwidth causes both a spectrum regrowth and an EVM increasing.I documenti in IRIS sono protetti da copyright e tutti i diritti sono riservati, salvo diversa indicazione.
